Remote Control Prerequisites

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System Requirements

Supported Operating Systems

Note: Downloading Start executable will download the latest supported version for your operating system.

Microsoft Windows

Client VersionServer VersionVersion
Microsoft Windows 11Microsoft Windows Server 2022Latest version available
Microsoft Windows Server 2019Latest version available
Microsoft Windows 10 (32-bit and 64-bit)Microsoft Windows Server 2016Latest version available
Microsoft Windows 8.1 (32-bit and 64-bit)Microsoft Windows Server 2012 R2Latest version available
Microsoft Windows 8 (32-bit and 64-bit)Microsoft Windows Server 2012Latest version available
Microsoft Windows 7 (32-bit and 64-bit)Microsoft Windows Server 2008 R2Latest version available
Microsoft Windows Vista (32-bit and 64-bit)Microsoft Windows Server 20083.0.0 – 3.5.5
Windows XP (32-bit and 64-bit)Microsoft Windows Server 2003 R23.0.0 – 3.5.5
Microsoft Windows Server 200033.0.0 – 3.5.5

Mac OS

Client VersionVersion
macOS 14.X SonomaLatest version available
macOS 13.X VenturaLatest version available
macOS 12.X MontereyLatest version available
macOS 11.X Big SurLatest version available
macOS 10.15 CatalinaLatest version available
macOS 10.14 MojaveLatest version available
macOS 10.13 High Sierra4.4.2031.107
macOS 10.12 Sierra4.4.2031.107
OS X 10.11 El Capitan4.4.2031.107
OS X 10.10 Yosemite4.4.2031.107
OS X 10.9 Mavericks4.4.2031.107
OS X 10.8 Mountain Lion4.4.2031.107
Mac OS X 10.7 Lion4.0.4
Mac OS X 10.6 Snow Leopard4.0.4


  • Linux kernel 2.4 and higher (64 bit)
  • glibc 2.12 or newer
  • systemd
  • X Window System

Tested on: 

  • Ubuntu 16.04, 18.04, 20.04
  • Debian 10, 9
  • CentOS 8

Not supported:

  • Wayland
  • Linux 32-bit
  • arm64 architecture

Internet Connection

The recommended minimum Bandwidth is 56 Kbps.

Bandwidth consumption during audio/video call:

Video quality and mic/consumptionNetwork consumption resource manager [kb/s]Network consumption net balancer [kb/s]
Video quality default high21,523 – 62
Video quality default high + mic25,520,5 – 69
Video quality snapshot high13,210 – 12,5
Video quality snapshot medium5,8 – 6,26 – 7
Video quality snapshot low5,55,5 – 6,6
Mic only3 – 4,57 – 8

Supported connection methods:

  • direct outgoing TCP/IP connection to TCP port 7615  on Conference Proxy server
  • WININET HTTPS connection to TCP port 443 on Conference Proxy server
  • WININET HTTP connection to TCP port 80 on Conference Proxy server
  • direct HTTPS connection to TCP port 443 on Conference Proxy server
  • direct HTTP connection to TCP port 80 on Conference Proxy server

Timeout for a specific connection method is 20 seconds for connection establishment – so total timeout for connection is less than 1 minute.

Supported network types:

  • A computer with a static public IP
  • A computer with a dynamic public IP
  • A computer in a private network behind a firewall with a public IP performing NAT
  • A computer in a private network behind a http proxy offering http and/or https protocols

Web Browsers

  • Firefox
  • Google Chrome
  • Microsoft Edge
  • Microsoft Internet Explorer
  • Opera
  • Safari
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